8 Year Exporter Compressed Oxygen Type - Hours Self-Contained Closed Circuit Breathing Apparatus – Topsky
8 Year Exporter Compressed Oxygen Type - Hours Self-Contained Closed Circuit Breathing Apparatus – Topsky Detail:
portable emergency breathing apparatus)
(4 Hours Breathing Apparatus)
Qualifications: Coal Mine Safety Certificate
Explosion-proof Certificate
Inspection Certification
Applications
Whenever emergency teams are saving lives or extinguishing fires, above or below the ground, HYZ4 Self-Contained Closed Circuit Breathing Apparatus comes into its own. Whether used during rescue or fire fighting missions in mines, tunnels or underground train ducts where there is noxious gas or oxygen insufficient emergency, HYZ4 Self-Contained Closed Circuit Breathing Apparatus is the first choice. More than 10,000 professional users rely on the HYZ4 Self-Contained Closed Circuit Breathing Apparatus in China.
Specially designed for demanding tasks: HYZ4 Self-Contained Closed Circuit Breathing Apparatus combines uncompromising safety with outstanding respiratory protection and wearer comfort. Innovative in design, it provides the wearer with up to four hours of breathing air in toxic environments.
Key features
●Breathing Oxygen for up to 4 Hours
●Highest breathing comfort with an integrated cooling system
●Ergonomically shaped carrying plate
●Reduced exposure from a well balanced system
●Improved harness and intelligent breathing hose routing for excellent freedom of movement
Technical specification
Duration of use | 4 h |
working pressure for oxygen bottle | 20MPa |
Capacity for oxygen bottle | 2.4L |
Oxygen storage | 480L |
Breathing rate | 30L/min |
Exhaling resistance | (0~600)Pa |
Inhaling resistance | ≤600Pa |
Fixed Oxygen-supplying | ≥1.4L/min |
Automatic Oxygen-supplying | ≥80L/min |
Manual Oxygen-supplying | ≥80L/min |
Start pressure for Auto-supplying valve | (10~245)Pa |
Inhaling Carbon dioxide concentration | ≤1% |
Inhaling oxygen concentration | >21% |
Weight, ready for use | 10 kg (incl. mask) |
Dimensions (H x W x D) | 560 x370 x 160 mm |
Product detail pictures:

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continue to improve, to ensure product quality in line with market and customer standard requirements. Our company has a quality assurance system have been established for 8 Year Exporter Compressed Oxygen Type - Hours Self-Contained Closed Circuit Breathing Apparatus – Topsky , The product will supply to all over the world, such as: Thailand, Cannes, Hongkong, We will supply much better products with diversified designs and professional services. At the same time, welcome OEM, ODM orders, invite friends at home and abroad together common development and achieve win-win, integrity innovation, and expand business opportunities! If you have any question or need more information please feel free to contact us. We are looking forward to receiving your enquiries soon.

This enterprise in the industry is strong and competitive, advancing with the times and develop sustainable, we are very pleased to have a opportunity to cooperate!
